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Finding the Fourth Proportional to 153,088.92, 229,301.08 and 74,037.38

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Solution

The fourth proportional to 153,088.92, 229,301.08 and 74,037.38 is: 110,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,088.92 : 229,301.08 = 74,037.38 : x
  2. Step 2: Convert to fraction form
    153,088.92/229,301.08 = 74,037.38/x
  3. Step 3: Cross multiply
    153,088.92x = 229,301.08 × 74,037.38
  4. Step 4: Simplify right side
    153,088.92x = 16,976,849,862.77
  5. Step 5: Solve for x
    x = 16,976,849,862.77/153,088.92
  6. Step 6: Final answer
    x = 110,895.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.